Messages in this thread | | | From | "Hall, Luca" <> | Subject | System Call Problem | Date | Sat, 11 Jan 2003 19:38:11 -0500 |
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Hello I have a small problem with a new sys call:
Slackware 8 , Kernel 2.2.19 tring to add a system call i did:
/usr/src/linux/kernel/luca.c
#include <linux/luca.h> #include <linux/kernel.h>
asmlinkage int sys_luca(void){ printk("my call in the kernel\n"); return(555);
}
/usr/src/linux/include/linux/luca.h
#ifndef __LINUX_LUCA_H #define __LINUX_LUCA_H
#include <linux/linkage.h> #include <linux/unistd.h>
_syscall0(int,luca)
#endif
/usr/src/linux/include/asm-i386/unistd.h
added: #define __NR_luca 191
/usr/src/linux/arch/i386/kernel/entry.S
added: .long SYMBOL_NAME(sys_luca) changed from 190: .rept NR_syscalls-191
compiled with make dep, make bzImage
The problem is now that when I boot i see the printk messages at the bottom. around 5 - 7 times. When I log in I see the printk messages, and dmesg also. I checked many resources and cant seem too find what I'm doing wrong; why is my funct being called at boot time and login ?
thanks alot luca
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